FR4 epoxy fiber glass cloth laminate sheet
FR4 epoxy glass cloth laminate sheet is made of good electric glass cloth and epoxy resin.
1,Dielectric Strength perpendicular to laminations (in 90±2 ℃ transformer oil, 1 mm in thickness) : min 14.2MV/m
2,Breakdown Voltage parallel to laminations(in 90±2℃ transformer oil) :min 40KV
3,Impact Strength parallel to laminations (Charpy) :min 33KJ/m2
4,Flammability:FV0
General Properties |
Test Item | Unit | TypicalValue |
| G10 | FR4 |
FlexuralStrengthperpendiculartolaminations | MPa | | | |
A:undernormalconditions | ≥ | 340 | 340 |
E-1/150:150±5℃ | ≥ | _ | _ |
ImpactStrengthparalleltolaminations(Charpy) | KJ/m2 | ≥ | 33 | 33 |
InsulationResistanceafterimmersioninwater (D-24/23) | W | ≥ | 5.0×108 | 5.0×108 |
DielectricStrengthperpendiculartolaminations | MV/m | ≥ | 14.2 | 14.2 |
(in90±2℃transformeroil,1mminthickness) |
BreakdownVoltageparalleltolaminations | KV | ≥ | 40 | 40 |
(in90±2℃transformeroil) |
Permittivity(50Hz) | — | ≤ | 5.5 | 5.5 |
Permittivity(1MHz) | — | ≤ | 5.5 | 5.5 |
DissipationFactor(50Hz) | — | ≤ | 0.04 | 0.04 |
DissipationFactor(1MHz) | — | ≤ | 0.04 | 0.04 |
WaterAbsorption(D-24/23,1.6mminthickness) | mg | ≤ | 19 | 19 |
Density | g/cm3 | | (1.70-1.90) | (1.70-1.90) |
Flammability | — | | — | FV0 |
Color | — | | Green | Green |
ReferenceStandard | — | | EnterpriseStandard |